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Relevé H-Alpha du 2023-02-16 10:30 UTC
H-Alpha — February 16, 2023 at 10:30 AM · by astrololo31 · Wolf 55
H-Alpha solar observation made on February 16, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 55 (5 groups, 5 spots). Carrington rotation 2267.
Counts
| Groups | 5 |
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| Groups North | 3 |
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| Groups South | 2 |
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| Spots | 5 |
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| Spots North | 3 |
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| Spots South | 2 |
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| Hα active | 0 |
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| Hα quiescent | 9 |
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| Filaments | 14 |
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| Flares | 0 |
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| Plages | 7 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 2 |
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Ephemerides
| Carrington rotation | 2267 |
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| L₀ | 113.57° |
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| B₀ | -6.87° |
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| P | -17.76° |
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| Declination | -12.35° |
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| Julian day | 2459991.93750 |
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